BioMed Central is an independent publishing house committed to providing immediate free access to peer-reviewed biomedical research from more than 140 open-access journals covering all areas of biology and medicine.

Originally a print index to the literature of nursing and eventually allied health information, the CINAHL® database has emerged as a comprehensive and versatile guide to an exploding body of knowledge and now extends beyond the limits of a bibliographic print index.

Medscape offers integrated medical information and educational tools. Medscape's features include Physician Optimized MEDLINE, a free subscription to Medscape's MedPulse®, more than 250 online CME activities, and access to more than 50 medical journals and textbooks.

The major goals of Medical World Search are to provide a search engine that operates over a selection of the most high-quality medical sites on the Web and to facilitate searching by using a medical thesaurus that understands medical terminology and can thus search for related terms automatically.

Ovid Technologies is an internationally recognized leader of electronic medical, scientific, and academic research information solutions. By providing a customizable suite of content, tools, and services, Ovid supports the diverse research needs of its 13 million users worldwide—academic, medical, and corporate professionals and students seeking fast, accurate answers to important questions that help to fuel discoveries, explore topics, or research diagnoses.

PubMed, a service of the National Library of Medicine, includes more than 15 million citations for biomedical articles dating back to the 1950s. These citations are from MEDLINE and additional life science journals. PubMed includes links to many sites providing full-text articles and other related resources.

We combine authoritative information with innovative technologies to enhance our customers' ability to achieve world-class research and business results. Our databases assist professionals at every stage of research and development from discovery and analysis to product development and distribution.